Craig Raw
4 years ago
12 changed files with 215 additions and 59 deletions
@ -1,15 +0,0 @@ |
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package com.sparrowwallet.sparrow.event; |
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import com.sparrowwallet.sparrow.wallet.FeeRateSelection; |
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public class FeeRateSelectionChangedEvent { |
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private final FeeRateSelection feeRateSelection; |
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public FeeRateSelectionChangedEvent(FeeRateSelection feeRateSelection) { |
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this.feeRateSelection = feeRateSelection; |
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} |
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public FeeRateSelection getFeeRateSelection() { |
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return feeRateSelection; |
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} |
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} |
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@ -0,0 +1,15 @@ |
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package com.sparrowwallet.sparrow.event; |
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import com.sparrowwallet.sparrow.wallet.FeeRatesSelection; |
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public class FeeRatesSelectionChangedEvent { |
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private final FeeRatesSelection feeRatesSelection; |
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public FeeRatesSelectionChangedEvent(FeeRatesSelection feeRatesSelection) { |
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this.feeRatesSelection = feeRatesSelection; |
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} |
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public FeeRatesSelection getFeeRateSelection() { |
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return feeRatesSelection; |
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} |
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} |
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@ -0,0 +1,15 @@ |
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package com.sparrowwallet.sparrow.event; |
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import com.sparrowwallet.sparrow.net.FeeRatesSource; |
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public class FeeRatesSourceChangedEvent { |
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private final FeeRatesSource feeRatesSource; |
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public FeeRatesSourceChangedEvent(FeeRatesSource feeRatesSource) { |
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this.feeRatesSource = feeRatesSource; |
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} |
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public FeeRatesSource getFeeRateSource() { |
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return feeRatesSource; |
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} |
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} |
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@ -0,0 +1,102 @@ |
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package com.sparrowwallet.sparrow.net; |
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import com.google.common.net.HostAndPort; |
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import com.google.gson.Gson; |
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import com.sparrowwallet.sparrow.io.Config; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import java.io.InputStream; |
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import java.io.InputStreamReader; |
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import java.io.Reader; |
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import java.net.InetSocketAddress; |
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import java.net.Proxy; |
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import java.net.URL; |
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import java.nio.charset.StandardCharsets; |
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import java.util.Collections; |
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import java.util.LinkedHashMap; |
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import java.util.Map; |
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public enum FeeRatesSource { |
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ELECTRUM_SERVER("Electrum Server") { |
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@Override |
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public Map<Integer, Double> getBlockTargetFeeRates(Map<Integer, Double> defaultblockTargetFeeRates) { |
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return Collections.emptyMap(); |
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} |
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}, |
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MEMPOOL_SPACE("mempool.space") { |
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@Override |
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public Map<Integer, Double> getBlockTargetFeeRates(Map<Integer, Double> defaultblockTargetFeeRates) { |
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String url = "https://mempool.space/api/v1/fees/recommended"; |
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return getThreeTierFeeRates(defaultblockTargetFeeRates, url); |
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} |
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}, |
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BITCOINFEES_EARN_COM("bitcoinfees.earn.com") { |
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@Override |
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public Map<Integer, Double> getBlockTargetFeeRates(Map<Integer, Double> defaultblockTargetFeeRates) { |
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String url = "https://bitcoinfees.earn.com/api/v1/fees/recommended"; |
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return getThreeTierFeeRates(defaultblockTargetFeeRates, url); |
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} |
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}; |
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private static final Logger log = LoggerFactory.getLogger(FeeRatesSource.class); |
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private final String name; |
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FeeRatesSource(String name) { |
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this.name = name; |
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} |
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public abstract Map<Integer, Double> getBlockTargetFeeRates(Map<Integer, Double> defaultblockTargetFeeRates); |
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public String getName() { |
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return name; |
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} |
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private static Map<Integer, Double> getThreeTierFeeRates(Map<Integer, Double> defaultblockTargetFeeRates, String url) { |
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Proxy proxy = getProxy(); |
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Map<Integer, Double> blockTargetFeeRates = new LinkedHashMap<>(); |
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try(InputStream is = (proxy == null ? new URL(url).openStream() : new URL(url).openConnection(proxy).getInputStream()); Reader reader = new InputStreamReader(is, StandardCharsets.UTF_8)) { |
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Gson gson = new Gson(); |
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ThreeTierRates threeTierRates = gson.fromJson(reader, ThreeTierRates.class); |
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for(Integer blockTarget : defaultblockTargetFeeRates.keySet()) { |
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if(blockTarget < 3) { |
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blockTargetFeeRates.put(blockTarget, threeTierRates.fastestFee); |
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} else if(blockTarget < 6) { |
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blockTargetFeeRates.put(blockTarget, threeTierRates.halfHourFee); |
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} else if(blockTarget <= 10 || defaultblockTargetFeeRates.get(blockTarget) > threeTierRates.hourFee) { |
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blockTargetFeeRates.put(blockTarget, threeTierRates.hourFee); |
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} else { |
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blockTargetFeeRates.put(blockTarget, defaultblockTargetFeeRates.get(blockTarget)); |
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} |
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} |
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} catch (Exception e) { |
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log.warn("Error retrieving recommended fee rates from " + url, e); |
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} |
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return blockTargetFeeRates; |
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} |
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private static Proxy getProxy() { |
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Config config = Config.get(); |
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if(config.isUseProxy()) { |
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HostAndPort proxy = HostAndPort.fromString(config.getProxyServer()); |
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InetSocketAddress proxyAddress = new InetSocketAddress(proxy.getHost(), proxy.getPortOrDefault(ProxyTcpOverTlsTransport.DEFAULT_PROXY_PORT)); |
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return new Proxy(Proxy.Type.SOCKS, proxyAddress); |
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} |
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return null; |
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} |
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@Override |
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public String toString() { |
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return name; |
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} |
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private static class ThreeTierRates { |
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Double fastestFee; |
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Double halfHourFee; |
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Double hourFee; |
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} |
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} |
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@ -1,11 +1,11 @@ |
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package com.sparrowwallet.sparrow.wallet; |
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public enum FeeRateSelection { |
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public enum FeeRatesSelection { |
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BLOCK_TARGET("Block Target"), MEMPOOL_SIZE("Mempool Size"); |
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private final String name; |
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private FeeRateSelection(String name) { |
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private FeeRatesSelection(String name) { |
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this.name = name; |
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} |
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